45142591490 has 16 divisors (see below), whose sum is σ = 82985530752. Its totient is φ = 17672844144.

The previous prime is 45142591489. The next prime is 45142591493. The reversal of 45142591490 is 9419524154.

It is not an unprimeable number, because it can be changed into a prime (45142591493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48023564 + ... + 48024503.

It is an arithmetic number, because the mean of its divisors is an integer number (5186595672).

Almost surely, 2^45142591490 is an apocalyptic number.

45142591490 is a deficient number, since it is larger than the sum of its proper divisors (37842939262).

45142591490 is a wasteful number, since it uses less digits than its factorization.

45142591490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96048121.

The product of its (nonzero) digits is 259200, while the sum is 44.

The spelling of 45142591490 in words is "forty-five billion, one hundred forty-two million, five hundred ninety-one thousand, four hundred ninety".